Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW7CAZ callsign genealogy
Currently held by Caswell, Matthew P
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WW7CAZ's current licensee, walking backwards.
- Caswell, Matthew PAZgranted 2025-07-22cancelled 2025-08-09
Successor callsigns
Callsigns held now by people who previously held WW7CAZ.
No current licensee on record previously held this callsign.